.App {
    text-align: center;
    padding: 20px;
}

.box {
    width: 200px;
    height: 200px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    margin: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease;
    /* 添加过渡效果，使缩放更平滑 */
}